EP1362718A2 - Lagerverbindung zwischen einem Blattfederende und einem Achslenker, insbesondere eines Doppelachsaggregats eines Lastkraftwagens - Google Patents
Lagerverbindung zwischen einem Blattfederende und einem Achslenker, insbesondere eines Doppelachsaggregats eines Lastkraftwagens Download PDFInfo
- Publication number
- EP1362718A2 EP1362718A2 EP03010002A EP03010002A EP1362718A2 EP 1362718 A2 EP1362718 A2 EP 1362718A2 EP 03010002 A EP03010002 A EP 03010002A EP 03010002 A EP03010002 A EP 03010002A EP 1362718 A2 EP1362718 A2 EP 1362718A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal plate
- rubber body
- axle
- bearing connection
- connection according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 59
- 239000004636 vulcanized rubber Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
- B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
- B60G11/38—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also rubber springs
- B60G11/40—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also rubber springs the rubber springs being attached to the axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/14—Plastic spring, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/125—Mounting of rubber type springs
Definitions
- the invention relates to a bearing connection between a leaf spring end and an axle bearing, in particular a double-axle unit of a truck according to the preamble of claim 1.
- a known bearing connection between a leaf spring end and one Axle bearing of a double unit of a truck includes a spring saddle, which consists of a stable lower metal plate and a stable upper metal plate with a vulcanized in between Rubber body and one vulcanized on the upper metal plate upper rubber layer.
- the lower metal plate is at the top arranged and fastened the axle bearing.
- On the on the top metal plate vulcanized upper rubber layer is the leaf spring end with his Bottom on.
- the rubber body is cuboid here and can be vulcanized Intermediate sheets can be divided into layers.
- the metal plates, especially on the adhesive surface for the rubber body and possibly the Intermediate sheets shaped in a circular arc or approximately circular arc be that the associated center of the circle in a rotating pole of the relative movement lies between the axis and the leaf spring.
- the cuboid shape of the rubber body means there are no additional measures at maximum loads there is a risk that the rubber body buckles and thus the spring saddle is damaged and destroyed. Therefore are here in the direction of travel and possibly transverse to the direction of travel in the horizontal direction as well also provided stops acting in the vertical direction, which by laterally protruding projections of the upper and lower metal plate are formed are. These attacks lead to complex designs of the Metal plates. In addition, the extreme position takes place in the active position Attacks an unfavorable metal-to-metal investment connection with relative high noise level and fast wear.
- the object of the invention is a generic bearing connection between a leaf spring end and an axle bearing with regard to the spring saddle to further develop that the attacks according to the prior art can be dispensed with are.
- the rubber body has a trapezoidal shape when viewed in the axial direction Form and seen in the vehicle longitudinal direction essentially rectangular shape. With horizontal deformations taking place under load this trapezoidal formation of the rubber body offers an optimal Support so that there is no buckling of the spring saddle or the rubber body can take place and therefore not the attacks described above required are. This makes the construction of the spring saddle easier overall and less expensive with further advantages in terms of reduced noise and reduced wear at maximum loads.
- the Rubber body symmetrical, the trapezoidal shape isosceles is carried out with an angle of attack in a range of about 65 ° to 75 °, preferably 70 °.
- the rubber body should be seen in the vehicle's longitudinal direction deviate slightly from a rectangular shape and with a trapezoidal shape form an angle of attack of about 85 ° to 89 °, preferably 87 °.
- leaf spring ends In order to are in the usual circumstances and loads, such as in connection with double-axle units on trucks there are optimal supports achieved by leaf spring ends.
- the upper metal plate protrudes with the vulcanized rubber layer on both sides in the vehicle's longitudinal direction with metal plate end areas, these down are slightly kinked. Due to this kink, the relatively thick upper Metal plate with the relatively thick, vulcanized rubber layer of the bending line follow a spring-loaded leaf spring. The one on the top metal plate Vulcanized, relatively thick rubber layer transfers the pressure of the leaf spring ends on the upper metal plate, which in turn optimized an Distribution of tension in the rubber body with its trapezoidal shape.
- the upper, relatively thick rubber layer also serves to decouple small ones Vibrations and noises between leaf spring and axle. Also find no relative movements between the leaf spring end and this rubber layer instead, since movements in all three spatial directions are molecular in the Rubber layer are added, so that advantageously no friction here and so there is no abrasion and no wear. For molecular imaging Minor movements in this rubber layer is in its rubber layer height to be dimensioned accordingly thick.
- the rubber layer shapes approach in Axis direction seen a radius contour, so that one around a rotating pole caused circular movement through the intermediate plates and metal plates limited rubber layers in the edge area are relieved in comparison compared to intermediate plates or flat rubber layers.
- there are three Intermediate plates are provided, which are arranged in the rubber body that four horizontal layers are formed, which are in thickness from top to bottom increase.
- an upward-facing recess may be contained in the rubber body taken with its lower area and vulcanized with the underside is. Strong material thicknesses are on the lower metal plate for fastenings especially in the edge and corner areas surrounding the rubber body required.
- the lower metal plate made in two parts with a top plate part and bottom plate part be, wherein the rubber body is vulcanized onto the top plate part.
- the Subplate part contains an upward-facing recess into which the Upper plate is inserted and screwed to the lower plate part.
- the lower metal plate as Forged part to be rectangular, being the lower surface of the rubber body overhanged on all sides with an overhang.
- the four corners of the Metal plate especially in the area of the edge overhang, can face down pointing projections in which threaded holes from below are attached for screwing in fastening screws.
- axle bearing is designed in the manner of a clamp where the lower metal plate of the spring saddle forms the upper bracket part, which with clamping screws screwed into the threaded holes braced against a lower longitudinal member supporting the axle from below is.
- the lower metal plate has a dual function as part the spring saddle on which the rubber body is vulcanized and also as a clamp part for an axle bracket.
- Figure 1 is a bearing connection 1 between a multi-layer leaf spring end 2 and an axle bearing 3 of a double-axle unit 4 of a truck shown.
- the bearing connection 1 consists of a spring saddle 5, which an upper metal plate 6 and a lower metal plate 7 includes one vulcanized rubber body in between 8. On the upper metal plate also vulcanized an upper rubber layer 8.
- the lower metal plate 7 is designed as a forged part rectangular and towered over the lower surface of the rubber body 8 on all sides with an edge projection 9. In the four corners of the lower metal plate 7 are downward extensions 10 integrally formed, in which threaded holes 11 are attached from below are.
- the axle bearing for the axle area 12 is designed in the manner of a clamp, in which the lower metal plate 7 of the spring saddle 5, the upper bracket part forms, which is screwed into the threaded bores 11 Tensioning screws 13 against a supporting the axis area 12 from below Longitudinal lower member 14 is clamped in the manner of a bearing block.
- the Rubber body 15 isosceles trapezoidal shape with an angle of attack 16 of approx. 70 °.
- the rubber body 15 In the rubber body 15 are approximately three intermediate sheets 17 vulcanized, the rubber body 15 in four approximately the same divide strong rubber horizontal layers 18, which, however, from the top increase in thickness below.
- the intermediate plates are flat and are also with end regions 19 in the direction of travel over the rubber body 15 in front.
- the upper, relatively thick metal plate 6 with the vulcanized also relatively thick Rubber layer 8 projects above the upper area of rubber body 15 with metal plate end areas 19 on both sides, these slightly bent downwards are and thus a bend line of the leaf spring end when compressed follow leaf spring.
- Rubber layer 8 projects above the upper area of rubber body 15 with metal plate end areas 19 on both sides, these slightly bent downwards are and thus a bend line of the leaf spring end when compressed follow leaf spring.
- Fig. 3 is a side view of the spring saddle 5 in the vehicle longitudinal direction seen with the lower metal plate 7 the rubber body 15 of the upper metal plate 6 and the upper rubber layer 8.
- the rubber body 15 is in this view almost rectangular with a slight trapezoidal shape with an angle of attack 21 of approx. 87 °.
- the intermediate plate end areas 22 also protrude laterally from the rubber body 15 in this view.
- the central longitudinal plane 23 can be covered due to special installation conditions on the lower metal plate 7, as shown opposite the central longitudinal plane of the rubber body 15 are offset.
- Fig. 4 is a side view seen in the axial direction of a slightly modified Embodiment of a spring saddle 5 shown, in all essentials Features constructed according to the spring saddle from Figures 2 and 3 is.
- the lower metal plate 7 has an upwardly facing recess 24 as in a partial section shown.
- this recess is the lower area or the lowest rubber horizontal layer 18 of the rubber body 15 added, so that hereby a height reduction of the spring saddle 5 is possible.
- the recess 24 surrounds the lower region of the rubber body 15 with an edge as a free space, so that the rubber body 15 laterally according to its load can move freely.
- FIG. 5 Another modified embodiment of a spring saddle 5 is in the corresponding Side view shown in Fig. 5.
- the rubber body is there too 15 with its lower area in a recess 24 for a total height reduction added.
- the lower metal plate 7 is here, however executed in two parts and consists of a top plate part 25 and one Lower plate part 26.
- the rubber body 15 is vulcanized onto the upper plate part 25.
- the top plate part 25 is placed on the bottom plate part 26 and screwed by means of screws 27.
- the metal plate end regions also protrude in the embodiment according to FIG. 5 19 of the upper metal plate 6 on both sides of the rubber body 15 and are there slightly bent downwards.
- the intermediate plate end areas are also corresponding here 22 of the intermediate plates 17 slightly bent downwards, so that the shape of the rubber horizontal layers 18 an arc 28 are approximated with a radius in a rotating pole.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Vehicle Body Suspensions (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
- Fig.1
- eine perspektivische Ansicht einer Lagerverbindung zwischen einem Blattfederende und einem Achslager eines Doppelaggregats eines Lastkraftwagens,
- Fig.2
- eine Seitenansicht eines Federsattels als Drucklager in Achsrichtung gesehen,
- Fig.3
- den Federsattel nach Figur 2 in Fahrzeuglängsrichtung gesehen,
- Fig.4
- eine alternative Ausführungsform eines Federsattels und
- Fig.5
- eine weitere alternative Ausführungsform eines Federsattels.
Claims (10)
- Lagerverbindung (1) zwischen einem Blattfederende (2) und einem Achslager (3), insbesondere eines Doppelachsaggregats eines Lastkraftwagensdadurch gekennzeichnet, dass der Gummikörper (15) in Achsrichtung gesehen eine trapezförmige Form und in Fahrzeuglängsrichtung gesehen eine im wesentlichen rechteckige Form aufweist.mit einem Federsattel (5), der aus einer stabilen unteren Metallplatte (7) und einer stabilen oberen Metallplatte (6) mit einem dazwischen festhaftend anvulkanisierten Gummikörper (15) und einer auf der oberen Metallplatte (6) aufvulkanisierten, oberen Gummischicht (8) besteht, wobeidie untere Metallplatte (7) am oberen Bereich des Achslagers (3) angeordnet ist und
auf der oberen Gummischicht (8) das Blattfederende (2) mit seiner Unterseite aufliegt, - Lagerverbindung nach Anspruch 1, dadurch gekennzeichnet, dass die in Achsrichtung gesehene Trapezform des Gummikörpers (15) gleichschenkelig ist mit einem Anstellwinkel (16) in einem Bereich von etwa 65° bis 75°, vorzugsweise 70° und der Gummikörper (15) in Fahrzeuglängsrichtung gesehen eine von einer Rechteckform geringförmig abweichende Trapezform mit einem Anstellwinkel (21) von etwa 85° bis 89°, vorzugsweise 87° aufweist.
- Lagerverbindung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die obere Metallplatte (6) mit der oberen aufvulkanisierten Gummischicht (8) den Gummikörper (15) in Fahrzeuglängsrichtung beidseitig mit Metallplattenendbereichen (19) überragt und diese Metallplattenendbereiche (19) nach unten leicht abgeknickt sind.
- Lagerverbindung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass im Gummikörper (15) wenigstens ein im Vergleich zu der unteren und oberen Metallplatte (6, 7) dünneres Zwischenblech (17) einvulkanisiert ist, welches in Fahrtrichtung beidseitig mit Zwischenblechendbereichen (22) aus dem Gummikörper (15) vorsteht.
- Lagerverbindung nach Anspruch 4, dadurch gekennzeichnet, dass die Zwischenblechendbereiche (22) entsprechend den Metallplattenendbereichen (19) der oberen Metallplatte (6) nach unten leicht abgeknickt sind.
- Lagerverbindung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass drei Zwischenbleche (17) vorgesehen sind, die den Gummikörper in vier Gummihorizontalschichten (18) trennen, deren Dicke jeweils von oben nach unten zunimmt.
- Lagerverbindung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass in der unteren Metallplatte (7) eine nach oben weisende Ausnehmung (24) enthalten ist, in der der Gummikörper (15) mit seinem unteren Bereich aufgenommen und mit der Unterseite anvulkanisiert ist.
- Lagerverbindung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die untere Metallplatte (7) zweiteilig mit einem Oberplattenteil (25) und Unterplattenteil (26) ausgeführt ist, indem auf das Oberplattenteil (25) der Gummikörper (15) aufvulkanisiert ist, und
dass das Unterplattenteil (26) eine nach oben weisende Ausnehmung enthält, in die das Oberplattenteil (25) eingesetzt und mit dem Unterplattenteil (26) verschraubt ist. - Lagerverbindung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die untere Metallplatte (7) als Schmiedeteil rechteckig ausgeführt ist und die Unterfläche des Gummikörpers (15) allseitig mit einem Randüberstand (9) überragt,
dass in den vier Ecken der unteren Metallplatte (7) nach unten weisende Fortsätze (10) angeformt sind, in denen von unten her Gewindebohrungen (11) angebracht sind. - Lagerverbindung nach Anspruch 9, dadurch gekennzeichnet, dass das Achslager (3) in der Art einer Spannklammer ausgebildet ist, bei der die untere Metallplatte (7) des Federsattels (5) das obere Klammerteil (11) bildet, welches mit in die Gewindebohrungen eingeschraubten Spannschrauben (13) gegen ein die Achse (12) von unten her abstützendes Längsträgerunterteil (14) verspannt ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20207770U | 2002-05-17 | ||
| DE20207770U DE20207770U1 (de) | 2002-05-17 | 2002-05-17 | Lagerverbindung zwischen einem Blattfederende und einem Achslenker, insbesondere eines Doppelachsaggregats eines Lastkraftwagens |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1362718A2 true EP1362718A2 (de) | 2003-11-19 |
| EP1362718A3 EP1362718A3 (de) | 2005-03-23 |
| EP1362718B1 EP1362718B1 (de) | 2006-04-05 |
Family
ID=7971269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03010002A Expired - Lifetime EP1362718B1 (de) | 2002-05-17 | 2003-05-02 | Lagerverbindung zwischen einem Blattfederende und einem Achslenker, insbesondere eines Doppelachsaggregats eines Lastkraftwagens |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1362718B1 (de) |
| AT (1) | ATE322392T1 (de) |
| DE (2) | DE20207770U1 (de) |
| ES (1) | ES2261816T3 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007004949A1 (en) * | 2005-06-30 | 2007-01-11 | Volvo Lastvagnar Ab | Rubber spring for a vehicle wheel axle suspension |
| US8540262B2 (en) | 2010-02-25 | 2013-09-24 | Man Truck & Bus Ag | Commercial vehicle and device for attaching a spring element to a commercial vehicle axle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1002674A2 (de) | 1998-11-20 | 2000-05-24 | MAN Nutzfahrzeuge Aktiengesellschaft | Verbindung zwischen Blattfederenden und Achslagern eines Doppelachsaggregates eines Lastkraftwagens |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE943932C (de) * | 1952-10-02 | 1956-06-01 | Opel Adam Ag | Lagerung halbelliptischer Federn an Kraftfahrzeugen |
| DE69310779T2 (de) * | 1992-02-01 | 1997-12-18 | Mitsubishi Motors Corp | Hinterradlenkeinrichtung |
| DE4221996C2 (de) * | 1992-07-04 | 1996-09-12 | Man Nutzfahrzeuge Ag | Doppelachsaggregat bei Lastkraftwagen |
| JPH10138726A (ja) * | 1996-11-12 | 1998-05-26 | Hino Motors Ltd | 後二軸車の後軸懸架装置 |
| US6206407B1 (en) * | 1998-12-18 | 2001-03-27 | Freightliner Llc | Vehicle suspension system |
-
2002
- 2002-05-17 DE DE20207770U patent/DE20207770U1/de not_active Expired - Lifetime
-
2003
- 2003-05-02 AT AT03010002T patent/ATE322392T1/de not_active IP Right Cessation
- 2003-05-02 ES ES03010002T patent/ES2261816T3/es not_active Expired - Lifetime
- 2003-05-02 DE DE50302861T patent/DE50302861D1/de not_active Expired - Fee Related
- 2003-05-02 EP EP03010002A patent/EP1362718B1/de not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1002674A2 (de) | 1998-11-20 | 2000-05-24 | MAN Nutzfahrzeuge Aktiengesellschaft | Verbindung zwischen Blattfederenden und Achslagern eines Doppelachsaggregates eines Lastkraftwagens |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007004949A1 (en) * | 2005-06-30 | 2007-01-11 | Volvo Lastvagnar Ab | Rubber spring for a vehicle wheel axle suspension |
| US8540262B2 (en) | 2010-02-25 | 2013-09-24 | Man Truck & Bus Ag | Commercial vehicle and device for attaching a spring element to a commercial vehicle axle |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2261816T3 (es) | 2006-11-16 |
| EP1362718B1 (de) | 2006-04-05 |
| DE50302861D1 (de) | 2006-05-18 |
| DE20207770U1 (de) | 2002-08-14 |
| ATE322392T1 (de) | 2006-04-15 |
| EP1362718A3 (de) | 2005-03-23 |
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